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7B Molar Mass/Percent Comp Practice

Last updated 2 days ago

5 questions

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Question 1

1.

How many moles are in 7.00 g of sodium chloride?

Question 2

2.

How many moles are in 189 grams of nitrogen dioxide?

Question 3

3.

How many grams of ammonium nitride are in 2.5 moles of ammonium nitride? Include unit and don't forget sig figs!!

Question 4

4.

What is the percent composition of N in dinitrogen disulfide? (Round to 4 sig figs)

Question 5

5.

What is the percent composition of S in ammonium sulfide? (Round to 4 sig figs)